NPPES file of Aug 9, 2026

Orthopaedic Surgery Physician in Illinois

995 NPPES records list orthopaedic surgery physician with a practice address in Illinois, 7.9 per 100,000 residents, the 25th highest rate of 51. Chicago and Maywood have the most; each record links to the provider's NPI and the Illinois license search. Page 8 of 20.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207X00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Chicago has the most, 273

  1. Chicago273
  2. Maywood46
  3. Springfield44
  4. Rockford38
  5. Naperville17

Orthopaedic Surgery Physician records in Illinois

  1. John Hefferon, M.D.Chicago, IL 606111982677480
  2. Michael Hejna, M.D., PHD.Riverside, IL 605461013913573
  3. William Heller, MDChicago, IL 606161730132945
  4. Ryon Hennessy, MDElmhurst, IL 601261093717480
  5. Matthew Henriques, MDChicago, IL 606121861954133
  6. Arnold Herbstman, M.D.Elgin, IL 601231518966811
  7. Thomas Hernandez, M.D.Dixon, IL 610211851513089
  8. Rodney Herrin, MDSpringfield, IL 627111407835457
  9. John Higgins, MDChicago, IL 606121134756828
  10. James Hill, MDArlington Heights, IL 600051740234848
  11. James Hill, MDChicago, IL 606111275562506
  12. Diane Hillard-Sembell, M.D.Springfield, IL 627021972600294
  13. Henry Hilow, MDChicago, IL 606111215685912
  14. Kevin Hilton, MDArlington Heights, IL 600051245348184
  15. Alisha Ho, MDChicago, IL 606371275146482
  16. Emmy Ho, MDOttawa, IL 613501700894474
  17. Erling Ho, MDRiverside, IL 605461952381865
  18. Sherwin HoChicago, IL 606371508921339
  19. Kevin Hodge, MDMoline, IL 612651184153066
  20. David Hoffman, MDChicago, IL 606031801865191
  21. Connor Hoge, MDChicago, IL 606121548848468
  22. Christopher Hogg, DOCarbondale, IL 629011518998202
  23. Donald Holder, MDRockford, IL 611071083621627
  24. Henry Holmes, M.D.Melrose Park, IL 601601124379045
  25. William Holt, M.D.Quincy, IL 623011023081502
  26. Kelly Holtkamp, M.D.Algonquin, IL 601021386625580
  27. Nolan Horner, M.D.Chicago, IL 606121396310058
  28. Steven Horner, M.D.Belleville, IL 622261932154051
  29. Alexander HornungChicago, IL 606121750964185
  30. Hanna House, MDMaywood, IL 601531740939016
  31. Jason HowardMaywood, IL 601531639017437
  32. Quinci HowardOlympia Fields, IL 604611821847864
  33. John HoyChicago, IL 606121558118752
  34. Benjamin Hoyt, MDNorth Chicago, IL 600641710334941
  35. Wellington Hsu, MDChicago, IL 606111235335050
  36. Chris Huang, M.D.Westmont, IL 605591013110519
  37. Nicole HuangMaywood, IL 601531841878105
  38. Teng HuangChicago, IL 606121639181068
  39. Thomas Huberty, M.D.Aurora, IL 605041427049832
  40. Amelia HummelChicago, IL 606121700580982
  41. M Stephen Huss, M.D.Decatur, IL 625261285638072
  42. Zaamin Hussain, MDChicago, IL 606121073134060
  43. Mark Hutchinson, MDChicago, IL 606121285646638
  44. Denise Ibrahim, D.O.Elmhurst, IL 601261164418869
  45. Kamal Ibrahim, M.D.Oakbrook Terrace, IL 601811174519862
  46. George Irwin, M.D.Bloomington, IL 617041629085089
  47. Daniel Ivankovich, M.D.Chicago, IL 606221003864539
  48. Andre Ivy, M.D.Lombard, IL 601481346551280
  49. Rolando Izquierdo, M.D.Algonquin, IL 601021134138027
  50. Stephen Jackson, MDHerrin, IL 629481952418089

Source: CMS NPPES, primary taxonomy 207X00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 25 of 51 per resident

  1. Vermont8.0
  2. Iowa8.0
  3. Colorado8.0
  4. Illinois7.9
  5. Oregon7.9
  6. Ohio7.8
  7. 50 states and D.C.7.4

Source: CMS NPPES, primary taxonomy 207X00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

77.0% of these records appear in a Medicare file, against 76.5% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Illinois77.0%
  2. United States76.5%

Orthopaedic Surgery Physician records in Illinois, measured

  • In a Medicare file766 of 995 · 77.0% here, 76.5% nationally
  • In the CMS Doctors and Clinicians file556 · 55.9% here, 62.5% nationally
  • Not updated in five years or more509 · 51.2% here, 56.8% nationally
  • Median graduation year2001 · the 556 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207X00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

995 NPPES records list orthopaedic surgery physician (207X00000X) as their primary taxonomy with a practice address in Illinois: 7.9 per 100,000 residents against 7.4 nationally (50 states and D.C.). Chicago has 273 of them (27%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. North Carolina977
  2. Michigan962
  3. Ohio921
  4. Georgia753

States with a similar rate per 100,000

  1. Oregon7.9
  2. Colorado8.0
  3. Iowa8.0
  4. Vermont8.0

The largest states

  1. California2,276
  2. Texas1,514
  3. Florida1,470
  4. New York1,339
  5. Pennsylvania1,253

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.